Bosch C9121 Coilpack Suits BMW E36 E39 E46 E53

All Bosch ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. Bosch ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel.

Alternate Part Numbers:
OEM Part Number: 12131748018
Alternative Part Number: 12131703228
Alternative Part Number: 12137599219